Crucial Exams

GCP Professional Data Engineer Practice Question

A global life-sciences company stores diagnostic images (avg. object size 15 MB) generated in hospital labs around the world. Regulatory policy requires that each image remain immutable and undeleted for 10 years (WORM). After the first month, images are almost never accessed. Retrieval latencies of several hours are acceptable, and the team wants to minimize ongoing storage cost and operational effort while maintaining customer-managed encryption keys. Which Google Cloud design best satisfies the requirements?

  • Create a Cloud Storage bucket using the Archive storage class, set a 10-year bucket retention policy, lock the policy with Bucket Lock, and configure CMEK encryption.

  • Store the images as binary large objects in a Cloud SQL instance and schedule automatic backups with CMEK.

  • Create a Cloud Storage bucket in the Nearline storage class with Object Versioning enabled and rotate CMEK keys annually.

  • Provision a Filestore instance for image uploads, snapshot it daily to a Coldline Cloud Storage bucket, and delete snapshots older than 10 years.

GCP Professional Data Engineer
Storing the data
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